What The Heck Does The 5.7x28 Do That .22 WMR Doesn't?

Winchester Introduces 3,000 fps Rimfire Cartridge -The Firearm Blog

Saturday at the Movies: 5.7x28mm Handguns and Ammo Tests « Daily Bulletin

What The Heck Does The 5.7x28 Do That .22 WMR Doesn't?

What makes the 5.7x28mm a much better self defense round than the 22 Magnum although they have similar muzzle velocities and bullet weight? - Quora

SW M&P 5.7x28 5 TB OR NMS 22R

What 5.7x28mm is actually good for - Page 2

22 TCM9R Solution

What would happen if I chambered a .17 HMR round in my .22 WMR rifle, cycled the bolt action, and pulled the trigger? - Quora

How does the 5.7x28mm pistol cartridge compare to the 22 Magnum as well as to the more conventional handgun calibers? - Quora

Range Review: Ruger Precision Rimfire in .22 WMR